diff -u channels/chan_iax2.c channels/chan_iax2.c
--- channels/chan_iax2.c	12 May 2005 21:20:36 -0000
+++ channels/chan_iax2.c	16 May 2005 10:04:16 -0000
@@ -7817,19 +7817,30 @@
 {
 	struct sockaddr_in sin;
 	int nonlocal = 1;
-	socklen_t sinlen = sizeof(sin);
 	int port = IAX_DEFAULT_PORTNO;
 	int sockfd = defaultsockfd;
-	
-	/* Get port number */
-	if (getsockname(defaultsockfd, 
-			(struct sockaddr*)&sin,
-			&sinlen) >= 0 &&
-	    sinlen == sizeof(sin)) {
-		port = ntohs(sin.sin_port);
+	char *tmp;
+	char *portstr;
+
+	tmp = ast_strdupa(srcaddr);
+	if (!tmp) {
+		ast_log(LOG_WARNING, "Out of memory!\n");
+		return -1;
+	}
+
+
+	portstr = strchr(tmp, ':');
+	if (portstr) {
+		int i;
+
+		*portstr = '\0';
+		portstr++;
+		i = atoi(portstr);
+		if (i > 0)
+			port = i;
 	}
 	
-	if (!ast_get_ip(&sin, srcaddr)) {
+	if (!ast_get_ip(&sin, tmp)) {
 		struct ast_netsock *sock;
 		int res;